In the top nav bar, click on the Puzzles link.
Click on the ( Menu) icon on the top right corner of the page. The menu will expand.
Then click on the dropdown that says " Forums / Blogs / Polls / Poems / Videos / etc.". It will expand.
Then click on the dropdown that says "More". It will expand.
Then click on Puzzles in the list of links.
You will see a list of Puzzles created by other members.
Click on the photo of the Puzzle you want to play, and the Puzzle will load and you can play it.
To play full screen mode:
Click the fullscreen icon that is directly under the Puzzle (in the lower right corner)